238533205 has 16 divisors (see below), whose sum is σ = 303824304. Its totient is φ = 179159040.

The previous prime is 238533187. The next prime is 238533223. The reversal of 238533205 is 502335832.

It is an interprime number because it is at equal distance from previous prime (238533187) and next prime (238533223).

It can be written as a sum of positive squares in 8 ways, for example, as 4351396 + 234181809 = 2086^2 + 15303^2 .

It is not a de Polignac number, because 238533205 - 2⁵ = 238533173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33565 + ... + 40045.

It is an arithmetic number, because the mean of its divisors is an integer number (18989019).

Almost surely, 2^238533205 is an apocalyptic number.

It is an amenable number.

238533205 is a deficient number, since it is larger than the sum of its proper divisors (65291099).

238533205 is a wasteful number, since it uses less digits than its factorization.

238533205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6936.

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 238533205 is about 15444.5202256334. The cubic root of 238533205 is about 620.1778929353.

The spelling of 238533205 in words is "two hundred thirty-eight million, five hundred thirty-three thousand, two hundred five".